| Helleborus viridis | GB, VC57 Derbyshire, Chee Dale | Gertrude Mackie | Manchester Museum (Owens College) | 15/4/1960 | MANCH |
| Helleborus viridis subsp. occidentalis | GB, VC57 Derbyshire, Lathkill | | | | MANCH |
| Helleborus viridis | GB, VC57 Derbyshire, Lathkill Dale | A E Aldous | Repton School Herbarium | 3/5/1911 | MANCH |
| Helleborus viridis subsp. occidentalis | GB, VC57 Derbyshire, Mapleton | Charles Bailey | | 31/5/1863 | MANCH |
| Helleborus viridis subsp. occidentalis | GB, VC57 Derbyshire, Mapleton | Charles Bailey | Charles Bailey | 31/5/1863 | MANCH |
| Helleborus viridis subsp. occidentalis | GB, VC57 Derbyshire, Miller's Dale | Charles Bailey | Charles Bailey | 5/4/1876 | MANCH |
| Helleborus viridis subsp. occidentalis | GB, VC57 Derbyshire, Miller's Dale | Charles Bailey | Charles Bailey | 5/8/1876 | MANCH |
| Helleborus viridis | GB, VC57 Derbyshire, Monk's Dale | Gertrude Mackie | Manchester Museum | 6/5/1961 | MANCH |
| Helleborus viridis subsp. occidentalis | GB, VC57 Derbyshire, Wormhill | William Isaac Hannan | William Hunt Painter | 7/1879 | MANCH |
| Helleborus viridis subsp. occidentalis | GB, VC57 Derbyshire, Youlgreave | William Wilson | | 4/1831 | MANCH |
| Helleborus viridis | GB, VC60 West Lancashire, Silverdale | Joseph Sidebotham | Charles Bailey Joseph Sidebotham | 6/1864 | MANCH |
| Helleborus viridis | GB, VC60 West Lancashire, Silverdale | Charles Bailey | Charles Bailey | 2/6/1871 | MANCH |
| Helleborus viridis | GB, VC62 North-east Yorkshire, Ayton | W S Harrison | Charles Bailey Eyre Champion de Crespigny W S Harrison | 26/6/1887 | MANCH |
| Helleborus viridis | GB, VC62 North-east Yorkshire, Ayton | W S Harrison | Charles Bailey Eyre Champion de Crespigny W S Harrison | 26/6/1887 | MANCH |
| Helleborus viridis | GB, VC62 North-east Yorkshire, Brompton | James Ward | Richmond Museum Charles Bailey | 5/1836 | MANCH |
| Helleborus viridis | GB, VC62 North-east Yorkshire, Brompton | James Ward | | 4/1866 | MANCH |
| Helleborus viridis subsp. occidentalis | GB, VC62 North-east Yorkshire, Brompton | James Ward | William Wilson | 22/3/1836 | MANCH |
| Helleborus viridis subsp. occidentalis | GB, VC62 North-east Yorkshire, Castle Howard | Henry Ibbotson | Charles Bailey John Ray Hardy | 1842 | MANCH |
| Helleborus viridis subsp. occidentalis | GB, VC62 North-east Yorkshire, Helmsley | John Gilbert Baker | John Gilbert Baker John Ray Hardy | | MANCH |
| Helleborus viridis subsp. occidentalis | GB, VC63 South-west Yorkshire, Conisborough | H L Craven | Manchester Museum | 13/5/1906 | MANCH |
| Helleborus viridis subsp. occidentalis | GB, VC63 South-west Yorkshire, Conisborough | H L Craven | | 13/5/1906 | MANCH |
| Helleborus viridis | GB, VC63 South-west Yorkshire, Conisbrough | Algernon F Gissing | Arthur Waters Preston Charles Bailey John Harbord Lewis | 1870 | MANCH |
| Helleborus viridis | GB, VC63 South-west Yorkshire, Conisbrough | | Charles Bailey | 4/1870 | MANCH |
| Helleborus viridis | GB, VC63 South-west Yorkshire, Conisbrough | Thomas Rogers | | 27/6/1886 | MANCH |
| Helleborus viridis | GB, VC63 South-west Yorkshire, Maltby | Charles Bailey | | 26/5/1899 | MANCH |
| Helleborus viridis | GB, VC63 South-west Yorkshire, Maltby | Charles Bailey | Charles Bailey | 26/5/1899 | MANCH |
| Helleborus viridis | GB, VC63 South-west Yorkshire, Sprotbrough | | | 4/1851 | MANCH |
| Helleborus viridis subsp. occidentalis | GB, VC64 Mid-west Yorkshire, Aberford | H E Craven | | 17/6/1906 | MANCH |
| Helleborus viridis subsp. occidentalis | GB, VC64 Mid-west Yorkshire, Aberford | H L Craven | | 28/4/1906 to 17/6/1906 | MANCH |
| Helleborus viridis subsp. occidentalis | GB, VC64 Mid-west Yorkshire, Aberford, Becca | H L Craven | | 8/4/1905 | MANCH |
| Helleborus viridis subsp. occidentalis | GB, VC64 Mid-west Yorkshire, Becca Banks, Aberford | | | 28/4/1906 | MANCH |
| Helleborus viridis subsp. occidentalis | GB, VC64 Mid-west Yorkshire, Becca Banks, Aberford | H R Craven | | 28/4/1906 | MANCH |
| Helleborus viridis | GB, VC64 Mid-west Yorkshire, Settle | Joseph Sidebotham | Charles Bailey John Tatham William Lowndes Notcutt | 1840 | MANCH |
| Helleborus viridis | GB, VC64 Mid-west Yorkshire, Thorner | William West | Charles Bailey John Harbord Lewis | 6/1879 | MANCH |
| Helleborus viridis | GB, VC64 Mid-west Yorkshire, Thorp Arch | Laura Shannon | Elizabeth Anne Lomax | 5/1871 | MANCH |
| Helleborus viridis | GB, VC64 Mid-west Yorkshire, Wetherby | J Jackson | Manchester Museum Charles Bailey John Harbord Lewis | 3/1880 | MANCH |
| Helleborus viridis subsp. occidentalis | GB, VC65 North-west Yorkshire, Richmond | James Ward | Hewett Cottrell Watson William Wilson | | MANCH |
| Helleborus viridis subsp. occidentalis | GB, VC65 North-west Yorkshire, Richmond | James Ward | William Wilson | 19/4/1837 | MANCH |
| Helleborus viridis | GB, VC69 Westmorland, Arnside | John H Rossall | Charles Bailey | 13/3/1872 | MANCH |
| Helleborus viridis | GB, VC69 Westmorland, Arnside | Charles Bailey | Charles Bailey | 5/6/1873 | MANCH |
| Helleborus viridis | GB, VC69 Westmorland, Arnside | Charles Bailey | Charles Bailey | 12/6/1905 | MANCH |
| Helleborus viridis | GB, VC69 Westmorland, Arnside | John Barrow | John Barrow | 7/1873 | MANCH |
| Helleborus viridis | GB, VC69 Westmorland, Grange over Sands | Charles Bailey | Charles Bailey | 18/3/1905 | MANCH |
| Helleborus viridis subsp. occidentalis | GB, VC70 Cumberland, Kentmere | Thomas Barker | | | MANCH |